﻿#region Copyright (c) 2006-2012 nHydrate.org, All Rights Reserved
// --------------------------------------------------------------------- *
//                           NHYDRATE.ORG                                *
//              Copyright (c) 2006-2012 All Rights reserved              *
//                                                                       *
//                                                                       *
// This file and its contents are protected by United States and         *
// International copyright laws.  Unauthorized reproduction and/or       *
// distribution of all or any portion of the code contained herein       *
// is strictly prohibited and will result in severe civil and criminal   *
// penalties.  Any violations of this copyright will be prosecuted       *
// to the fullest extent possible under law.                             *
//                                                                       *
// THE SOURCE CODE CONTAINED HEREIN AND IN RELATED FILES IS PROVIDED     *
// TO THE REGISTERED DEVELOPER FOR THE PURPOSES OF EDUCATION AND         *
// TROUBLESHOOTING. UNDER NO CIRCUMSTANCES MAY ANY PORTION OF THE SOURCE *
// CODE BE DISTRIBUTED, DISCLOSED OR OTHERWISE MADE AVAILABLE TO ANY     *
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//                                                                       *
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// INSURE ITS CONFIDENTIALITY.                                           *
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// SOURCE CODE CONTAINED HEREIN.                                         *
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// --------------------------------------------------------------------- *
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace nHydrate.DataImport
{
	public class Relationship : DatabaseBaseObject
	{
		public Relationship()
		{
			this.RelationshipColumnList = new List<RelationshipDetail>();
			this.ConstraintName = string.Empty;
		}

		public Entity SourceEntity { get; set; }
		public Entity TargetEntity { get; set; }
		public List<RelationshipDetail> RelationshipColumnList { get; set; }
		public string ConstraintName { get; set; }

		/// <summary>
		/// A related piece of data to track imports
		/// </summary>
		public string ImportData { get; set; }

		public string RoleName
		{
			get { return this.Name + string.Empty; }
			set { this.Name = value; }
		}

		public override string ObjectType
		{
			get { return "Relation"; }
		}

		public string CorePropertiesHash
		{
			get
			{
				var prehash =
					this.SourceEntity.Name.ToLower() + "|" +
					this.TargetEntity.Name.ToLower() + " | ";

				var columnList = this.RelationshipColumnList.OrderBy(x => x.ChildField.Name.ToLower()).ToList();
				prehash += string.Join("-|-", columnList.Select(x => x.ChildField.Name.ToLower())) + "~";
				prehash += string.Join("-|-", columnList.Select(x => x.ParentField.Name.ToLower())) + "~";

				return prehash;
			}
		}

	}
}
